Container for lubricants



H. o. PRESTON CONTAINER FOR LUBRICANTS Filed July 5 1, 1924 become apparent upon referring to the foltransferring the I J to a grease gun barrel.- The grease gun has '60 transferrin the lubricant mate Dec- 18; 1928.

UNITED STATES;

mm I

PATENT OFFICE. I

mnmsox 0. runner,

WARE.

reference to apparatus for dispensing grease,

5 solid or semi-solid oils and lubricants in general.

' The object of my invention is to provide a container for lubricants which may be inserted bodily into a lubricant ejector. A

10 further object is to provide a container capable of being inserted full length into- 1 an ejector and thereafter permitting the 1u-' I bricant to be retained in the ejector while removing the container.

Further advantages of my invention will lowing description and drawings:

Figure 1 is a side elevation, partly in section, of a grease filled container.

Figure 2 is a sectional elevation of a grease gun showin the cartridge in position in-the grease gun a'rrel.

Fi re 3 is a sectional elevation showing the method of withdrawing the container 25 to leave the lubricant in the grease gun barrel.

Figure 4 is a sectional elevation of a grease gun showing the lubricant partly ejected. r i

In Figure 1, 1 is a grease gun cartridge shell having a false bottomconsisting of a disk 2 which just -fits the interior of the shell. 'The disk 2 is prevented from moving in an outward direction by an annular groove 3 but it is free to move in an inward direction the full length of 'the shell. An annular flange 4 is formed at the base of the cartridge shell and serves as a grip in removing t e shell from the grease gun 40 barrel. A cap 5 is provided for the top of the cartridge to prevent dirt or other foreign materials from contaminating the lubricant.

Figures 2 contents of the cartridge a barrel 6, havin a, constricted portion and outlet 7. It also as a iston 8 and a piston rod and handle 9, whic passes throughthe threaded top 10 and is guided thereby. In from the. cartridge shell 1 to t e grease tridge cap 5 is removed from the cartrid e and the atter is then inserted practical full length the open barrel. A

0! PORT ARI-HUB, TEXAS, m're, TO THE TEXAS CQHPAHY, 01' NEW YORK,

- under "pulled downwardly, leaving invention, In carrying a pocket of air is formed between the intain amount of it inserted the air and 3 indicate the method of.

barrelfi, the carsmalltoo,-

comma ron. uranium-rs.

a1, Serial 10. 729,241.

such as the screw driver 11, is now placed the slidable disk 2, while the cartridgeshell is grasped by the flange land the contents in the grease gun,

oIn Idischa ging type, a sun 11 amount of lubricant will rea grease gun of the usual assreno'n; as: mnsnn assreu- 11.1., a coaroaa'rron or ammain in the constricted portion or the outlet.

The ordinary type of grease cartridge is designed to be placed at the top of the grease gun barrel and its lubricant content is forced into the barrel by moving a false bottom similar to that shown in the present out this operation coming lubricantand the lubricant remaining at the outlet of the grease gun. s it escapes this air either forces out the lubricant remaining in the outlet or causes a certhe grease gun, in .either case the hands of the user are likely to becomegsoiled and lubricant Wasted.

My invention avoids these difliculties by allowing the insertion-of the cartridge full length into the grease gun barrel before at- Thus while the cartridge is being contained in .the grease gun an opportunity to escape of thecartridge and the grease gun barrel, because these parts do :not fit in air tight relation. .The cartridge shell may now removed from the grease gun barrel in the manner previously described during which operation the mass of lubricant being transferred from the cartridge remains in substantiallyits. original position in the grease gun.

. What I claim is:

A grease gun cartridge comprising a shell having a to beinserted substantially full length into a grease gun, an external annular flange at the lower end of the shell for preventing thefurtherinsertion of the same into said grease gun, a disk movable within the shell barrel will have and an internal annular constriction at the lower end thereof for preventing movement of said disk in an outward direction.

hand this 23rd day of July, 1924.

' HARRISON o. rnnsrou.

to ooze out of the top ofbetween the sides cylindrical. body portion adapted In witness whereof I have hereunto set my 

